Pulse or digital communications – Repeaters – Testing
Patent
1984-03-27
1985-10-01
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
375 63, 455123, 455275, H04B 1200, H04B 712
Patent
active
045450595
ABSTRACT:
There is disclosed an antenna and coupling system for use in frequency hopping communication systems. The system includes a dual antenna configuration wherein the antennas are coupled in parallel to a tunable broadband coupler which provides a VSWR which is nominally less than 2:1 over the full hopping bandwidth of the system. The antenna and coupling system are so constructed that the coupler is operated over a plurality of passbands defining a broadband frequency range and each passband is of sufficient width such that several hopping band center frequencies can fall within a given passband. The passbands also overlap to permit continuous frequency coverage over the frequency range of the system.
REFERENCES:
patent: 2712061 (1955-06-01), McClellan
patent: 3095539 (1963-06-01), Bennett et al.
patent: 3916313 (1975-10-01), Lowry
patent: 4030033 (1977-06-01), Bibl et al.
Deasy Richard E.
Snider Glenn R.
Spinks, Jr. R. Joe
Hamann H. Fredrick
Montanye George A.
Rockwell International Corporation
Safourek Benedict V.
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